About the Authors

Theresa K. Kelly

Affiliations The Semel Institute for Neuroscience and Behavior, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Mental Retardation Research Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Stanislav L. Karsten

Affiliation Division of Neuroscience Research, Department of Neurology, Los Angeles Biomedical Research Institute at Harbor, University of California Los Angeles Medical Center, Torrance, California, United States of America

Daniel H. Geschwind

Affiliations The Semel Institute for Neuroscience and Behavior, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Program in Neurogenetics and Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Harley I. Kornblum

hkornblum@mednet.ucla.edu

Affiliations The Semel Institute for Neuroscience and Behavior, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Mental Retardation Research Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Departments of Molecular and Medical Pharmacology, Psychiatry, Pediatrics and Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TKK DHG HIK. Performed the experiments: TKK SLK. Analyzed the data: TKK SLK HIK. Contributed reagents/materials/analysis tools: DHG. Wrote the paper: TKK SLK DHG HIK.